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Note 4 - Property and Equipment, Net (Tables)
12 Months Ended
Jun. 30, 2024
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

June 30,

 
  

2024

  

2023

 
         

Land and building

 $1,250  $1,250 

Leasehold improvements

  1,341   1,371 

Machinery and equipment

  7,224   6,801 
   9,815   9,422 

Less:  Accumulated depreciation and amortization

  (7,930)  (7,769)

Total

 $1,885  $1,653